git-svn-id: http://webrtc.googlecode.com/svn/trunk@8 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/tools/refactoring/trim.py b/tools/refactoring/trim.py
new file mode 100644
index 0000000..5539f5f
--- /dev/null
+++ b/tools/refactoring/trim.py
@@ -0,0 +1,29 @@
+#!/usr/bin/env python
+
+import sys
+import fileinput
+
+# Defaults
+TABSIZE = 4
+
+usage = """
+Replaces all TAB characters with %(TABSIZE)d space characters.
+In addition, all trailing space characters are removed.
+usage: trim file ...
+file ... : files are changed in place without taking any backup.
+""" % vars()
+
+def main():
+
+ if len(sys.argv) == 1:
+ sys.stderr.write(usage)
+ sys.exit(2)
+
+ # Iterate over the lines of all files listed in sys.argv[1:]
+ for line in fileinput.input(sys.argv[1:], inplace=True):
+ line = line.replace('\t',' '*TABSIZE); # replace TABs
+ line = line.rstrip(None) # remove trailing whitespaces
+ print line # modify the file
+
+if __name__ == '__main__':
+ main()